<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>清除登录状态</title>
</head>
<body>
  <% session.invalidate(); %>
   <jsp:forward page="main.jsp"></jsp:forward>
</body>


</html>